Featured
-
Super Purchasing for Brightener OB-1 - Optical Brightener OB – Subang
Structural formula Product Name: Optical brightener OB Chemical Name: 2,5-thiophenediylbis(5-tert-butyl-1,3-benzoxazole) C.I.:184 CAS NO.:7128-64-5 Specifications Molecular formula: C26H26N2O2S molecular weight: 430 Appearance: light yellow powder Tone: blue Melting point: 196-203℃ Purity: ≥99.0% Ash: ≤0.1% Particle size: Pass 200 mesh Maximum absorption wavelength: 375nm（Ethanol） Maximum emission wavelength: 435nm（Ethanol） Properties Optical brightener OB is a kind of benzoxazole compou... -
Manufactur standard Fluorescent Brightener EBF - Optical Brightener 4BK – Subang
Product Details Name: Optical Brightener 4BK Main ingredient: stilbene azine type C.I.:113 CAS NO.:12768-91-1 Technical Index Appearance: light yellow uniform powder Ionicity: Anion Fluorescence intensity: 100±1 (relative to standard product) Color light: blue-violet light. Performance and Characteristics 1. It has high-efficiency fluorescent whitening effect, with a slight blue light. 2. It is not sensitive to light, and its chemical properties are relatively stable. 3. It has... -
Good User Reputation for Brightner CBS-127 - Fluorescent Brightener CL – Subang
Product Details Product Name: Fluorescent Brightener CL C.I.:220 CAS NO.:16470-24-9 Molecular formula: C40H40N12Na4O16S4 Molecular weight: 1165.12 Maximum ultraviolet absorption wavelength: 350nm Quality Index Appearance: amber transparent liquid Shade: blue light Fluorescence intensity (equivalent to standard product): 25, 30, 35 PH value: 8-10 Viscosity (25 degrees) mPa.s: ≤30 Density, g/cm3: 1.0-1.2 Performance and Characteristics 1. Easy to use, miscible with water in any r... -
2021 High quality 1，4-Phthalaldehyde - O-Nitro-p-cresol – Subang
Product Details Chinese name: o-nitrop-toluol Another name: 2-nitro-4-methylphenol o-nitro-p-methylphenol; o-nitro-p-cresol; o-nitro-p-cresol; 4-methyl-2-nitrophenol Molecular formula: C7H7NO3 Molecular weight: 152.158 Numbering System Chinese name: o-nitrop-toluol Another name: 2-nitro-4-methylphenol o-nitro-p-methylphenol; o-nitro-p-cresol; o-nitro-p-cresol; 4-methyl-2-nitrophenol Molecular formula: C7H7NO3 Molecular weight: 152.158 Production Method It is obtained from p-tol... -
High Quality Optical Brightener - Optical Brightener ST-3 – Subang
Product Details Product Name: Optical Brightener ST-3 Structure Type: Stilbene derivative C.I.: Optical brightener 396 Appearance: Light greenish yellow crystalline powder Color Shade: Violet blue Power points 100 E-value: ≥390 Counterpart: Heliofor PU (POL) Properties This product is used at room temperature to within 280℃, can degrade 80 times of soft water, acid and alkali resistance is pH = 6~11, it can be used in the same bath with anionic surfactants or dye... -
OEM manufacturer Uvitex EBF - Optical Brightener OB-1 – Subang
Structural formula Product Name: Optical brightener OB-1 Chemical Name: 2,2′-(1,2-ethenediyl)bis(4,1-phenylene)bisbenzoxazole C.I.:393 CAS NO.:1533-45-5 Specifications Appearance: Bright yellowish green crystal powder molecular weight: 414 Molecular formula: C28H18N2O2 Melting point: 350-355℃ Maximum absorption wavelength: 374nm Maximum emission wavelength: 434nm Properties Optical brightener OB-1 is crystallized substance, has strong fluorescence. It is odorless, hard to dissolve in w... -
Factory Cheap Hot 2-Formylbenzenesulfonic Acid Sodium Salt - O-Nitro-p-tert-butylphenol – Subang
Structural Formula Chinese name: o-nitrop-tert-butylphenol Another name: 2-nitro-4-tert-butylphenol, 2-nitro-4-tert-butylphenol Molecular formula: C10H13NO3 Molecular weight: 195.2151 Numbering System CAS Registry Number: 3279-07-0 EINECS accession number: 221-914-8 Physical Data Appearance and traits: yellow to green crystal or oily Density: 1.12 g/mL at 25 °C(lit.) Melting point: 27-29 °C(lit.) Boiling point: 97 °C1 mm Hg(lit.) Flash point: >230 °F Refractive index: 1... -
OEM manufacturer Uvitex EBF - Optical Brightener ER-1 – Subang
Structural formula C.I:199 CAS NO. :13001-39-3 Appearance: light yellow powder Purity: ≥99% Melting point: 230-232℃ Feature It is of the stilbene benzene type and is easily soluble in many organic solvents. Stable to cationic softener. The light fastness is S grade and the washing fastness is excellent. It can be used in the same bath with sodium hypochlorite, hydrogen peroxide and reducing bleach. The product is a light yellow-green dispersion which is non-ionic. It is obtai... -
Short Lead Time for Fluorescent Whitening Agent KSN - Optical Brightener ST-2 – Subang
Product Details Product Name: Optical Brightener ST-2 Appearance: Ivory white dispersion Ionic Type: Non-ionic Structure Type: Benzothiazole derivative Color Shade: Blue Counterpart: Uvitex EBF Operating Temperature Room temperature to within 180°C. ST-2 is a special fluorescent whitening for domestic water-based paints and water-based paints. Properties ST-2 high-efficiency fluorescent whitening agent can be arbitrarily dispersed in soft water, acid and alkali ... -
2021 Good Quality Optical Brightening Agents - Optical Brightener KSN – Subang
Structural formula C.I.:368 CAS NO.:5242-49-9 TENICAL SPECIFICATIONS： Appearance: yellow-green powder Content: ≥99.0% Melting point: 275-280℃ Use The fluorescent whitening agent KSN not only has excellent high temperature resistance, but also has good resistance to sunlight and weather. The fluorescent whitening agent KSN is also suitable for the whitening of polyamide, polyacrylonitrile and other polymer fibers; it can also be used in film, injection molding and extrusion mol... -
Original Factory Shandong Subang - Fluorescent Brightener CL – Subang
Product Details Product Name: Fluorescent Brightener CL C.I.:220 CAS NO.:16470-24-9 Molecular formula: C40H40N12Na4O16S4 Molecular weight: 1165.12 Maximum ultraviolet absorption wavelength: 350nm Quality Index Appearance: amber transparent liquid Shade: blue light Fluorescence intensity (equivalent to standard product): 25, 30, 35 PH value: 8-10 Viscosity (25 degrees) mPa.s: ≤30 Density, g/cm3: 1.0-1.2 Performance and Characteristics 1. Easy to use, miscible with water in any r... -
Good Quality Brightener - Optical Brightener SWN – Subang
Optical Brightener SWN Formula C14H17NO2 C.I. 140 CAS No. 91-44-1 Chemical Name 7-Diethylamino-4-methylcoumarin Appearance White crystalline Melting Point 70.0-75.0 Content >99.0 Volatile Content ＜0.5 Molecular Weight 213.3 UV Strength 98.0-102-0 Extinction value 1000~1050 Property Optical brightener SWN is Coumarin Derivatives. It is soluble in ethanol, acidic liquor, resin and varnish. In water, the solubility of SWN is only 0.006 percent. It fu...
